{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "4376",
    "entityType": "User",
    "nonce": "0xa71dfe7a1e3fc4712ff2a03c6517ec23ba890de75563f89f5f9626638be748a3",
    "signature": "0x95305ef3ae8d6f74ffdfb24514b68d98dc6d27c237e58e29d14b32009b47aae107a1ea018adc9b2cd074b40ac961e673e2ab05486292b22f2685d5d82c330ecc1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}